WATER HEATER MAINTENANCE PROCEDURES (CONTD)
Use these procedures to replace and adjust the fuel pump.
Remove power and disconnect fuel hoses as in paragraph 4-14.i steps
1 through 5.
Remove fuel filter bracket as in paragraph 4-14j, step 3.
Reach through slot in shutter assembly (1) with allen wrench and
loosen setscrew (2) securing coupling to fuel pump shaft.